Finding the Fourth Proportional to 112,482,000.76, 168,450,536.04 and 77,841,334.48
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Solution
The fourth proportional to 112,482,000.76, 168,450,536.04 and 77,841,334.48 is: 116,573,446.69
Step by Step Solution
- Step 1: Write the proportion equation
112,482,000.76 : 168,450,536.04 = 77,841,334.48 : x - Step 2: Convert to fraction form
112,482,000.76/168,450,536.04 = 77,841,334.48/x - Step 3: Cross multiply
112,482,000.76x = 168,450,536.04 × 77,841,334.48 - Step 4: Simplify right side
112,482,000.76x = 13,112,414,519,224,934 - Step 5: Solve for x
x = 13,112,414,519,224,934/112,482,000.76 - Step 6: Final answer
x = 116,573,446.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.